Just Another Day by Lady Gaga is in A at 168 beats per minute and runs 2:27 across 52 bars. It uses 13 chords — A, C#m, F#m, D, E, C#7, F#m7, B7, and a few more. The chord diagram changes as the song plays and the words light up as they are sung, so you can strum and sing along without reading ahead.
Want the melody line note by note? Just Another Day guitar melody tab.